219735880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 666247680

約数和(自身を除く): 446511800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 53, 56, 65, 67, 68, 70, 85, 91, 104, 106, 119, 130, 134, 136, 140, 170, 182, 212, 221, 238, 260, 265, 268, 280, 335, 340, 364, 371, 424, 442, 455, 469, 476, 520, 530, 536, 595, 670, 680, 689, 728, 742, 871, 884, 901, 910, 938, 952, 1060, 1105, 1139, 1190, 1340, 1378, 1484, 1547, 1742, 1768, 1802, 1820, 1855, 1876, 2120, 2210, 2278, 2345, 2380, 2680, 2756, 2968, 3094, 3445, 3484, 3551, 3604, 3640, 3710, 3752, 4355, 4420, 4505, 4556, 4690, 4760, 4823, 5512, 5695, 6097, 6188, 6307, 6890, 6968, 7102, 7208, 7420, 7735, 7973, 8710, 8840, 9010, 9112, 9380, 9646, 11390, 11713, 12194, 12376, 12614, 13780, 14204, 14807, 14840, 15470, 15946, 17420, 17755, 18020, 18760, 19292, 22780, 23426, 24115, 24388, 24857, 25228, 27560, 28408, 29614, 30485, 30940, 31535, 31892, 34840, 35510, 36040, 38584, 39865, 45560, 46163, 46852, 48230, 48776, 49714, 50456, 58565, 59228, 60367, 60970, 61880, 63070, 63784, 71020, 74035, 79730, 81991, 92326, 93704, 96460, 99428, 103649, 117130, 118456, 120734, 121940, 124285, 126140, 142040, 148070, 159460, 163982, 184652, 192920, 198856, 207298, 230815, 234260, 241468, 243880, 248570, 252280, 296140, 301835, 318920, 323141, 327964, 369304, 409955, 414596, 422569, 461630, 468520, 482936, 497140, 518245, 592280, 603670, 646282, 655928, 784771, 819910, 829192, 845138, 923260, 994280, 1036490, 1207340, 1292564, 1569542, 1615705, 1639820, 1690276, 1846520, 2072980, 2112845, 2414680, 2585128, 3139084, 3231410, 3279640, 3380552, 3923855, 4145960, 4225690, 5493397, 6278168, 6462820, 7847710, 8451380, 10986794, 12925640, 15695420, 16902760, 21973588, 27466985, 31390840, 43947176, 54933970, 109867940, 219735880]

約数ペア:

[(1, 219735880), (2, 109867940), (4, 54933970), (5, 43947176), (7, 31390840), (8, 27466985), (10, 21973588), (13, 16902760), (14, 15695420), (17, 12925640), (20, 10986794), (26, 8451380), (28, 7847710), (34, 6462820), (35, 6278168), (40, 5493397), (52, 4225690), (53, 4145960), (56, 3923855), (65, 3380552), (67, 3279640), (68, 3231410), (70, 3139084), (85, 2585128), (91, 2414680), (104, 2112845), (106, 2072980), (119, 1846520), (130, 1690276), (134, 1639820), (136, 1615705), (140, 1569542), (170, 1292564), (182, 1207340), (212, 1036490), (221, 994280), (238, 923260), (260, 845138), (265, 829192), (268, 819910), (280, 784771), (335, 655928), (340, 646282), (364, 603670), (371, 592280), (424, 518245), (442, 497140), (455, 482936), (469, 468520), (476, 461630), (520, 422569), (530, 414596), (536, 409955), (595, 369304), (670, 327964), (680, 323141), (689, 318920), (728, 301835), (742, 296140), (871, 252280), (884, 248570), (901, 243880), (910, 241468), (938, 234260), (952, 230815), (1060, 207298), (1105, 198856), (1139, 192920), (1190, 184652), (1340, 163982), (1378, 159460), (1484, 148070), (1547, 142040), (1742, 126140), (1768, 124285), (1802, 121940), (1820, 120734), (1855, 118456), (1876, 117130), (2120, 103649), (2210, 99428), (2278, 96460), (2345, 93704), (2380, 92326), (2680, 81991), (2756, 79730), (2968, 74035), (3094, 71020), (3445, 63784), (3484, 63070), (3551, 61880), (3604, 60970), (3640, 60367), (3710, 59228), (3752, 58565), (4355, 50456), (4420, 49714), (4505, 48776), (4556, 48230), (4690, 46852), (4760, 46163), (4823, 45560), (5512, 39865), (5695, 38584), (6097, 36040), (6188, 35510), (6307, 34840), (6890, 31892), (6968, 31535), (7102, 30940), (7208, 30485), (7420, 29614), (7735, 28408), (7973, 27560), (8710, 25228), (8840, 24857), (9010, 24388), (9112, 24115), (9380, 23426), (9646, 22780), (11390, 19292), (11713, 18760), (12194, 18020), (12376, 17755), (12614, 17420), (13780, 15946), (14204, 15470), (14807, 14840)]